\u8fd0\u884cFlask\u5e94\u7528\u7a0b\u5e8f<\/strong>\uff1a\u5728\u547d\u4ee4\u884c\u4e2d\uff0c\u5bfc\u822a\u5230\u9879\u76ee\u76ee\u5f55\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\npython app.py<\/p>\n<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u5728\u9ed8\u8ba4\u7684\u7aef\u53e35000\u4e0a\u542f\u52a8Flask\u5f00\u53d1\u670d\u52a1\u5668\u3002\u60a8\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/<\/code>\u6765\u67e5\u770b\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n\u4e09\u3001\u5b9a\u4e49\u8def\u7531\u548c\u89c6\u56fe\u51fd\u6570<\/h2>\n<\/p>\n
\u5728Flask\u4e2d\uff0c\u8def\u7531\u7528\u4e8e\u5b9a\u4e49URL\u8def\u5f84\uff0c\u5e76\u5c06\u5176\u6620\u5c04\u5230\u7279\u5b9a\u7684\u89c6\u56fe\u51fd\u6570<\/strong>\u3002\u89c6\u56fe\u51fd\u6570\u8d1f\u8d23\u5904\u7406\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u3002<\/p>\n<\/p>\n\n- \n
\u5b9a\u4e49\u8def\u7531<\/strong>\uff1a\u901a\u8fc7\u4f7f\u7528@app.route()<\/code>\u88c5\u9970\u5668\u5b9a\u4e49\u8def\u7531\u3002\u60a8\u53ef\u4ee5\u4e3a\u6bcf\u4e2aURL\u8def\u5f84\u5b9a\u4e49\u4e00\u4e2a\u89c6\u56fe\u51fd\u6570\u3002<\/p>\n<\/p>\n@app.route('\/about')<\/p>\ndef about():<\/p>\n
return 'This is the About page.'<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u8def\u7531\u53c2\u6570<\/strong>\uff1a\u53ef\u4ee5\u5728\u8def\u7531\u4e2d\u4f7f\u7528\u53c2\u6570\u6765\u52a8\u6001\u5904\u7406\u4e0d\u540c\u7684\u8bf7\u6c42\u3002<\/p>\n<\/p>\n@app.route('\/user\/<username>')<\/p>\ndef show_user_profile(username):<\/p>\n
return f'User {username}'<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
HTTP\u65b9\u6cd5<\/strong>\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cFlask\u89c6\u56fe\u51fd\u6570\u54cd\u5e94GET\u8bf7\u6c42\u3002\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570methods<\/code>\u6307\u5b9a\u5176\u4ed6HTTP\u65b9\u6cd5\u3002<\/p>\n<\/p>\n@app.route('\/login', methods=['GET', 'POST'])<\/p>\ndef login():<\/p>\n
if request.method == 'POST':<\/p>\n
return 'Do the login'<\/p>\n
else:<\/p>\n
return 'Show the login form'<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
\u56db\u3001\u6a21\u677f\u6e32\u67d3<\/h2>\n<\/p>\n
Flask\u4f7f\u7528Jinja2\u6a21\u677f\u5f15\u64ce\u6765\u6e32\u67d3HTML\u6a21\u677f\uff0c\u4ece\u800c\u4e3aWeb\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u52a8\u6001\u5185\u5bb9\u3002<\/p>\n<\/p>\n
\n- \n
\u521b\u5efa\u6a21\u677f\u76ee\u5f55<\/strong>\uff1a\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3atemplates<\/code>\u7684\u6587\u4ef6\u5939\uff0c\u7528\u4e8e\u5b58\u653eHTML\u6a21\u677f\u6587\u4ef6\u3002<\/p>\n<\/p>\n<\/li>\n- \n
\u7f16\u5199HTML\u6a21\u677f<\/strong>\uff1a\u5728templates<\/code>\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2aindex.html<\/code>\u6587\u4ef6\u3002<\/p>\n<\/p>\n<!DOCTYPE html><\/p>\n<html lang="en"><\/p>\n
<head><\/p>\n
<meta charset="UTF-8"><\/p>\n
<meta name="viewport" content="width=device-width, initial-scale=1.0"><\/p>\n
<title>Home<\/title><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
<h1>Welcome to Flask<\/h1><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u6e32\u67d3\u6a21\u677f<\/strong>\uff1a\u5728\u89c6\u56fe\u51fd\u6570\u4e2d\u4f7f\u7528render_template<\/code>\u51fd\u6570\u6765\u6e32\u67d3HTML\u6a21\u677f\u3002<\/p>\n<\/p>\nfrom flask import render_template<\/p>\n@app.route('\/')<\/p>\n
def home():<\/p>\n
return render_template('index.html')<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
\u4e94\u3001\u5904\u7406\u8868\u5355\u6570\u636e<\/h2>\n<\/p>\n
Flask\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u5904\u7406HTML\u8868\u5355\u6570\u636e\uff0c\u901a\u8fc7\u8bf7\u6c42\u5bf9\u8c61\u53ef\u4ee5\u83b7\u53d6\u8868\u5355\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n<\/p>\n
\n- \n
\u521b\u5efa\u8868\u5355<\/strong>\uff1a\u5728\u6a21\u677f\u6587\u4ef6\u4e2d\u521b\u5efa\u4e00\u4e2aHTML\u8868\u5355\u3002<\/p>\n<\/p>\n<form action="\/submit" method="post"><\/p>\n <input type="text" name="name" placeholder="Enter your name"><\/p>\n
<input type="submit" value="Submit"><\/p>\n
<\/form><\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u5904\u7406\u8868\u5355\u6570\u636e<\/strong>\uff1a\u5728\u89c6\u56fe\u51fd\u6570\u4e2d\u4f7f\u7528request.form<\/code>\u83b7\u53d6\u8868\u5355\u6570\u636e\u3002<\/p>\n<\/p>\nfrom flask import request<\/p>\n@app.route('\/submit', methods=['POST'])<\/p>\n
def submit():<\/p>\n
name = request.form['name']<\/p>\n
return f'Hello, {name}!'<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
\u516d\u3001\u9759\u6001\u6587\u4ef6\u7ba1\u7406<\/h2>\n<\/p>\n
Flask\u80fd\u591f\u8f7b\u677e\u7ba1\u7406\u9759\u6001\u6587\u4ef6\uff0c\u5982CSS\u3001JavaScript\u548c\u56fe\u50cf\u6587\u4ef6\u3002<\/p>\n<\/p>\n
\n- \n
\u521b\u5efa\u9759\u6001\u6587\u4ef6\u76ee\u5f55<\/strong>\uff1a\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3astatic<\/code>\u7684\u6587\u4ef6\u5939\uff0c\u7528\u4e8e\u5b58\u653e\u9759\u6001\u6587\u4ef6\u3002<\/p>\n<\/p>\n<\/li>\n- \n
\u5f15\u7528\u9759\u6001\u6587\u4ef6<\/strong>\uff1a\u5728HTML\u6a21\u677f\u4e2d\u4f7f\u7528url_for<\/code>\u51fd\u6570\u5f15\u7528\u9759\u6001\u6587\u4ef6\u3002<\/p>\n<\/p>\n<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}"><\/p>\n<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u8bbf\u95ee\u9759\u6001\u6587\u4ef6<\/strong>\uff1a\u901a\u8fc7URL\u8def\u5f84\/static\/<filename><\/code>\u8bbf\u95ee\u9759\u6001\u6587\u4ef6\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n\u4e03\u3001\u4f7f\u7528FLASK\u6269\u5c55<\/h2>\n<\/p>\n
Flask\u652f\u6301\u591a\u79cd\u6269\u5c55\uff0c\u7528\u4e8e\u589e\u5f3a\u5e94\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\uff0c\u5982\u6570\u636e\u5e93\u96c6\u6210\u3001\u8868\u5355\u9a8c\u8bc1\u3001\u7528\u6237\u8ba4\u8bc1\u7b49\u3002<\/p>\n<\/p>\n
\n- \n
Flask-SQLAlchemy<\/strong>\uff1a\u7528\u4e8e\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u7684ORM\u6846\u67b6\u3002\u53ef\u4ee5\u8f7b\u677e\u5730\u5728Flask\u5e94\u7528\u4e2d\u7ba1\u7406\u6570\u636e\u5e93\u3002<\/p>\n<\/p>\n<\/li>\n- \n
Flask-WTF<\/strong>\uff1a\u7528\u4e8e\u5904\u7406\u8868\u5355\u7684\u6269\u5c55\uff0c\u63d0\u4f9b\u8868\u5355\u9a8c\u8bc1\u548cCSRF\u4fdd\u62a4\u3002<\/p>\n<\/p>\n<\/li>\n- \n
Flask-Login<\/strong>\uff1a\u7528\u4e8e\u7ba1\u7406\u7528\u6237\u4f1a\u8bdd\u548c\u8ba4\u8bc1\u7684\u6269\u5c55\u3002<\/p>\n<\/p>\n<\/li>\n- \n
\u5b89\u88c5\u6269\u5c55<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7pip\u547d\u4ee4\u5b89\u88c5Flask\u6269\u5c55\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\npip install Flask-SQLAlchemy<\/p>\n<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u4f7f\u7528\u6269\u5c55<\/strong>\uff1a\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5bfc\u5165\u548c\u4f7f\u7528\u6269\u5c55\u3002<\/p>\n<\/p>\nfrom flask_sqlalchemy import SQLAlchemy<\/p>\napp.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:\/\/\/site.db'<\/p>\n
db = SQLAlchemy(app)<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
\u516b\u3001\u8c03\u8bd5\u548c\u6d4b\u8bd5<\/h2>\n<\/p>\n
Flask\u63d0\u4f9b\u4e86\u4e00\u4e9b\u529f\u80fd\u6765\u5e2e\u52a9\u8c03\u8bd5\u548c\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\n- \n
\u8c03\u8bd5\u6a21\u5f0f<\/strong>\uff1a\u542f\u7528\u8c03\u8bd5\u6a21\u5f0f\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u51fa\u73b0\u9519\u8bef\u65f6\u63d0\u4f9b\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f\u548c\u4ea4\u4e92\u5f0f\u8c03\u8bd5\u5668\u3002<\/p>\n<\/p>\nif __name__ == '__main__':<\/p>\n app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u5355\u5143\u6d4b\u8bd5<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528Python\u7684unittest\u6a21\u5757\u6765\u7f16\u5199\u548c\u8fd0\u884cFlask\u5e94\u7528\u7a0b\u5e8f\u7684\u5355\u5143\u6d4b\u8bd5\u3002<\/p>\n<\/p>\nimport unittest<\/p>\nclass FlaskTestCase(unittest.TestCase):<\/p>\n
def test_home(self):<\/p>\n
tester = app.test_client(self)<\/p>\n
response = tester.get('\/')<\/p>\n
self.assertEqual(response.status_code, 200)<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n
- \n
\u6d4b\u8bd5\u5ba2\u6237\u7aef<\/strong>\uff1aFlask\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6d4b\u8bd5\u5ba2\u6237\u7aef\uff0c\u53ef\u4ee5\u5728\u6d4b\u8bd5\u4e2d\u6a21\u62df\u8bf7\u6c42\u3002<\/p>\n<\/p>\nwith app.test_client() as client:<\/p>\n response = client.get('\/')<\/p>\n
assert b'Welcome to Flask' in response.data<\/p>\n
<\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Flask\u8f7b\u677e\u6784\u5efa\u548c\u90e8\u7f72Web\u5e94\u7528\u7a0b\u5e8f\u3002Flask\u7684\u7b80\u6d01\u6027\u548c\u7075\u6d3b\u6027\u4f7f\u5176\u6210\u4e3a\u5f00\u53d1\u8005\u4eec\u7684\u9996\u9009\u6846\u67b6\u4e4b\u4e00\uff0c\u5c24\u5176\u662f\u5728\u5feb\u901f\u539f\u578b\u5f00\u53d1\u548c\u5c0f\u578b\u9879\u76ee\u4e2d\u3002\u5e0c\u671b\u672c\u6307\u5357\u80fd\u5e2e\u52a9\u60a8\u7406\u89e3\u5e76\u5f00\u59cb\u4f7f\u7528Flask\u8fdb\u884cWeb\u5f00\u53d1\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n Flask\u662f\u4ec0\u4e48\uff0c\u5b83\u6709\u4ec0\u4e48\u7279\u70b9\uff1f<\/strong>
Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Python web\u6846\u67b6\uff0c\u8bbe\u8ba1\u4e0a\u4ee5\u7b80\u6d01\u548c\u6613\u7528\u4e3a\u6838\u5fc3\u3002\u5b83\u7684\u7279\u70b9\u5305\u62ec\u7075\u6d3b\u6027\u9ad8\u3001\u6a21\u5757\u5316\u8bbe\u8ba1\u4ee5\u53ca\u4e30\u5bcc\u7684\u6269\u5c55\u5e93\u3002Flask\u5141\u8bb8\u5f00\u53d1\u8005\u5feb\u901f\u642d\u5efaweb\u5e94\u7528\uff0c\u9002\u5408\u4ece\u5c0f\u578b\u9879\u76ee\u5230\u5927\u578b\u5e94\u7528\u7684\u5f00\u53d1\u9700\u6c42\u3002\u540c\u65f6\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u548c\u6a21\u677f\u5f15\u64ce\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u9700\u8981\u81ea\u7531\u9009\u62e9\u3002<\/p>\n\u4f7f\u7528Flask\u6784\u5efaweb\u5e94\u7528\u7684\u57fa\u672c\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong>
\u6784\u5efaFlask\u5e94\u7528\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u9996\u5148\u5b89\u88c5Flask\u5e93\uff0c\u63a5\u7740\u521b\u5efaFlask\u5e94\u7528\u5b9e\u4f8b\uff0c\u7136\u540e\u5b9a\u4e49\u8def\u7531\uff0c\u6700\u540e\u7f16\u5199\u89c6\u56fe\u51fd\u6570\u6765\u5904\u7406\u7528\u6237\u8bf7\u6c42\u3002\u5177\u4f53\u6d41\u7a0b\u4e3a\uff1a\u5728\u5e94\u7528\u6587\u4ef6\u4e2d\u5bfc\u5165Flask\uff0c\u521b\u5efa\u5e94\u7528\u5b9e\u4f8b\uff0c\u4f7f\u7528@app.route()<\/code>\u88c5\u9970\u5668\u5b9a\u4e49URL\u8def\u5f84\uff0c\u5e76\u5728\u89c6\u56fe\u51fd\u6570\u4e2d\u8fd4\u56de\u5185\u5bb9\uff0c\u6700\u540e\u901a\u8fc7\u8fd0\u884capp.run()<\/code>\u542f\u52a8\u670d\u52a1\u5668\u3002<\/p>\nFlask\u4e0e\u5176\u4ed6Python web\u6846\u67b6\u76f8\u6bd4\u6709\u54ea\u4e9b\u4f18\u52bf\u548c\u52a3\u52bf\uff1f<\/strong>
Flask\u76f8\u8f83\u4e8eDjango\u7b49\u5176\u4ed6Python web\u6846\u67b6\uff0c\u5176\u4f18\u52bf\u5728\u4e8e\u8f7b\u91cf\u7ea7\u548c\u7075\u6d3b\u6027\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u9700\u6c42\u81ea\u7531\u9009\u62e9\u7ec4\u4ef6\uff0c\u800c\u4e0d\u53d7\u6846\u67b6\u7684\u7ea6\u675f\u3002\u7136\u800c\uff0c\u5b83\u7684\u52a3\u52bf\u5728\u4e8e\u7f3a\u4e4f\u5185\u7f6e\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u7528\u6237\u8ba4\u8bc1\u548c\u7ba1\u7406\u529f\u80fd\uff0c\u9700\u8981\u5f00\u53d1\u8005\u81ea\u884c\u5b9e\u73b0\u6216\u5f15\u5165\u6269\u5c55\u5e93\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e\u5927\u578b\u9879\u76ee\uff0cFlask\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u914d\u7f6e\u548c\u7ba1\u7406\uff0c\u589e\u52a0\u4e86\u5f00\u53d1\u590d\u6742\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"PYTHON\u5982\u4f55\u4f7f\u7528FLASK \u5728Python\u4e2d\uff0cFlask\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684Web\u6846\u67b6\uff0c\u6613\u4e8e\u5b66\u4e60\u548c\u4f7f\u7528\u3002\u5b83\u9002\u7528\u4e8e […]","protected":false},"author":3,"featured_media":940491,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940489"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=940489"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940489\/revisions"}],"predecessor-version":[{"id":940492,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940489\/revisions\/940492"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/940491"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=940489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=940489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=940489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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<\/p>\n